It’s hard to imagine what a bright yellow tennis ball looks like coming at you full speed on the court, especially when the server is none other than Sam Groth.

Last week at Wimbledon, Sam Groth hit his second fastest serve ever at 147 mph. To simulate what it might look like to be on the court during a high-speed serve, The New York Times created an innovative video that places you in the position of his opponent Roger Federer. We suggest watching in full screen mode.